Foreword
Introduction
1 Scope
2 Warning
3 Normative References
4 Abbreviations
5 Definitions
5.2 Process control schedule
5.3 Significant surface
6 Information to be Supplied by the Purchaser
7 Process Control
8 Process Requirements
8.1 General
8.2 Pre-treatment in repair operations
8.3 Surface preparation
8.3.1 General requirements
8.3.2 Cleaning
8.4 Masking
8.5 Preheating
8.6 Thermal spray process
8.6.3 Temperature control during spraying
8.6.6 Coating material
8.7 Sealing
8.8 Finishing
9 Inspection and Test
9.1 General procedure
9.2 Inspection of coated components
9.2.1 Visual/Liquid Penetrant inspection
9.2.2 Dimensional check
9.2.3 Coating thickness
9.3 Test specimens
9.3.2 Adhesion
9.3.3 Hardness
9.3.4 Microstructure
9.4 Periodic tests
9.5 Treatment of items rejected during final inspection
and test
9.6 Packaging
Annex A - Guidance on Thermal Sprayed Coatings for Wear
Resistance
A.1 Introduction
A.2 High Velocity Oxy Fuel Process
A.3 HVOF Process Control
A.4 Performance Characteristics of Relevant HVOF Sprayed
Coatings
A.4.1 Wear
A.4.2 Corrosion behaviour
A.4.3 Fatigue
A.4.4 Hardness
A.5 Commercial Applications of HVOF-Sprayed, Wear-Resistant
Coatings
A.6 Guidelines on HVOF Coatings for Wear-Resistant
Applications
A.7 The Role of Plasma Sprayed Coatings
A.7.1 The plasma spray process
Annex B - Thermal Spray Procedure
B.1 Spraying Procedure Documentation
B.2 Quality
B.2.2 Qualification of Procedures
B.2.2.3 Qualification of operators
B.3 Thermal Spraying Processes and Equipment
B.3.1 System
Annex C - Coating Material
C.1 Selection of Coating Material